This story is from September 20, 2025

Pancreatic Cancer: Oral microbes linked to increased risk of the deadly disease; risk factors and prevention tips

Pancreatic Cancer: Oral microbes linked to increased risk of the deadly disease; risk factors and prevention tips
Pancreatic cancer, known as a “silent killer” that mostly creeps in quietly with hard-to-detect symptoms, remains a significant global health challenge. With 508,533 new cases and 505,752 deaths worldwide in 2021, this disease is a significant global health challenge with increasing incidence and mortality rates worldwide.Indians are living 13 years less than the Japanese: Expert flags 7 unhealthy reasons for thisTop 10 health benefits of chia seeds backed by scienceMore than 99% of heart conditions come with early warning signs, new study findsPancreatic cancer is often considered deadly due to its tendency to be diagnosed at a late stage, its aggressive nature, and the lack of effective treatments for advanced cases. Now, a groundbreaking study by NYU Langone Health has revealed a significant link between oral microbes and pancreatic cancer risk. Published in JAMA Oncology, the research indicates that certain bacteria and fungi in the mouth can more than triple the likelihood of developing this aggressive cancer. Why does this discovery matter? It highlights the importance of maintaining good oral hygiene as a potential preventive measure.Fatty liver alert: Supplements that aren’t a magic fix, but you are taking them anywayWoman diagnosed with aggressive Breast Cancer, after doctors said it was ‘Nothing’Joint pain? US doctor recommends 6 supplements to beat osteoarthritis

What the study found: Oral microbes and cancer risk

The aforementioned study, published in JAMA Oncology, analyzed saliva samples from 122,000 adults over nine years. Researchers identified 27 oral microbes – 24 bacteria and 3 fungi – that were associated with an increased risk of pancreatic cancer.World Alzheimer's Day 2025: The first signs families often missNotably, bacteria such as Porphyromonas gingivalis, Eubacterium nodatum, and Parvimonas micra have been associated with an increased risk of pancreatic cancer.
These microbes may reach the pancreas by traveling from the mouth via swallowed saliva. Once there, they can potentially trigger inflammation and other biological processes that support tumor formation. Additionally, the presence of Candida, a genus of yeast, has been detected in pancreatic tumor samples, indicating it may also play a role in cancer development.Colorectal cancer: What the American Cancer Society says about screening, early symptoms and preventive measuresThese findings support the hypothesis that harmful oral microbes can enter the bloodstream and reach the pancreas, possibly contributing to cancer development. The study also developed a microbial risk score based on the presence of these microbes, which could serve as a tool for identifying individuals at higher risk for pancreatic cancer. Early detection through microbial screening could lead to timely interventions, better outcomes, and more personalized approaches in pancreatic cancer prevention and care.

What is pancreatic cancer?

Pancreatic cancer is a disease in which malignant (cancerous) cells form in the tissues of the pancreas. The pancreas is a gland located behind the stomach that plays a crucial role in digestion and blood sugar regulation by producing enzymes and hormones.Calcium deficiency symptoms women must pay attention toKidney-healthy foods you can eat every day without compromising on taste and nutritionWhat is Myeloma? British woman diagnosed with a rare blood cancer that erodes bones
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While the exact causes are not always clear, risk factors include smoking, family history of pancreatic cancer, long-standing type 2 diabetes, and chronic pancreatitis.High BP reading: Your arm position can affect your blood pressure reading, doctor explains the right way to measure BPSigns you don’t need Vitamin D supplements but are taking them anywayHeart health tips: 7 lifestyle changes that can reverse the risk of heart diseasePancreatic cancer is often difficult to diagnose early because symptoms may be subtle or absent in the early stages.Colon cancer symptoms that often appear without pain

Risk factors for pancreatic cancer

While oral health is an emerging risk factor, several other factors contribute to pancreatic cancer risk:Age: The risk increases with age, particularly after 60.Smoking: Cigarette smoking is a major risk factor.Family history: A family history of pancreatic cancer can elevate risk.Chronic pancreatitis: Long-term inflammation of the pancreas is linked to increased risk.Diabetes: Having diabetes, especially type 2, may raise the risk.Obesity: Being overweight or obese increases the likelihood of developing the disease.

How to stay safe: Practical prevention tips

While not all risk factors are controllable, certain lifestyle changes can help reduce the risk:Maintain good oral hygiene: Regular brushing and flossing can help prevent the buildup of harmful oral microbes.Avoid smoking: Quitting smoking reduces the risk of pancreatic and other cancers.Healthy diet: A balanced diet rich in fruits, vegetables, and whole grains supports overall health.Regular exercise: Physical activity helps maintain a healthy weight and reduces cancer risk.Limit alcohol consumption: Excessive alcohol intake can increase cancer risk.
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Why early detection is crucial

This study opens new avenues for early detection of pancreatic cancer. By profiling oral microbes, healthcare providers may identify individuals at higher risk and implement preventive strategies more effectively.However, further research is needed to understand the mechanisms by which oral microbes influence pancreatic cancer development and to validate the microbial risk score as a screening tool.

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